Ple bssid s, T channel, O channel o – Psion Teklogix 9160 G2 User Manual

Page 344: E channel, Ccmp, L ( ccmp ), Ccmp ), and, The ccmp, L ( ccmp, Ccmp )

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Appendix E: Glossary
BSSID

E-8

Psion Teklogix 9160 G2 Wireless Gateway User Manual

BSSID

In Infrastructure Mode, the Basic Service Set Identifier (BSSID) is the 48-bit MAC
address of the wireless interface of the Access Point.

C

CCMP

Counter mode/CBC-MAC Protocol (CCMP) is an encryption method for 802.11h
that uses AES. It employs a CCM mode of operation, combining the Cipher Block
Chaining Counter mode (CBC-CTR) and the Cipher Block Chaining Message
Authentication Code (CBC-MAC) for encryption and message integrity.

AES-CCMP requires a hardware coprocessor to operate.

CGI

The Common Gateway Interface (CGI) is a standard for running external programs
from an HTTP server. It specifies how to pass arguments to the executing program
as part of the HTTP request. It may also define a set of environment variables.

A CGI program is a common way for an HTTP server to interact dynamically with
users. For example, an HTML page containing a form can use a CGI program to
process the form data after it is submitted.

Channel

The Channel defines the portion of the radio spectrum the radio uses for
transmitting and receiving. Each 802.11 standard offers a number of channels,
dependent on how the spectrum is licensed by national and transnational authorities
such as the

Federal Communications Commission (FCC)

, the

European

Telecommunications Standards Institute (ETSI)

, the

Korean Communications

Commission

, or the

Telecom Engineering Center (TELEC)

.

CSMA/CA

Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA) is a low-level
network arbitration/contention protocol. A station listens to the media and attempts

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